Home / 4,745.76-6,542.56-4,089.60

Finding the Fourth Proportional to 4,745.76, 6,542.56 and 4,089.60

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Solution

The fourth proportional to 4,745.76, 6,542.56 and 4,089.60 is: 5,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.76 : 6,542.56 = 4,089.60 : x
  2. Step 2: Convert to fraction form
    4,745.76/6,542.56 = 4,089.60/x
  3. Step 3: Cross multiply
    4,745.76x = 6,542.56 × 4,089.60
  4. Step 4: Simplify right side
    4,745.76x = 26,756,453.38
  5. Step 5: Solve for x
    x = 26,756,453.38/4,745.76
  6. Step 6: Final answer
    x = 5,637.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.